Die Anwendung des Plattenabsorbers zur Bedämpfung von luftdurdiströmten Kanälen
Plate absorbers are suitable for acoustic silencing of wind tunnels because of their aerodynamically smooth and tight surfaces. In a wind tunnel of small cross section several types of plate absorbers were tested. For flow velocities below 20 m/s absorbers with thin foils and with damped resilient volumes can be used. For greater flow velocities the onset of turbulence necessitates resilient plates. Promising values of attenuation were found for resilient plates with great internal losses (verneer sheet). Special care in the design of plate absorbers must be given to the reduction of the propagation of structure-borne sound.
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Document Type: Research Article
Publication date: January 1, 1962
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- Acta Acustica united with Acustica, published together with the European Acoustics Association (EAA), is an international, peer-reviewed journal on acoustics. It publishes original articles on all subjects in the field of acoustics, such as general linear acoustics, nonlinear acoustics, macrosonics, flow acoustics, atmospheric sound, underwater sound, ultrasonics, physical acoustics, structural acoustics, noise control, active control, environmental noise, building acoustics, room acoustics, acoustic materials, acoustic signal processing, computational and numerical acoustics, hearing, audiology and psychoacoustics, speech, musical acoustics, electroacoustics, auditory quality of systems. It reports on original scientific research in acoustics and on engineering applications. The journal considers scientific papers, technical and applied papers, book reviews, short communications, doctoral thesis abstracts, etc. In irregular intervals also special issues and review articles are published.
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